51
in depth in a time of less than 5 minutes. As soon as the product detects
a regular ow in delivery, it leaves the priming procedure and starts its
regular work. The utility opened in delivery from which the pumped water
is coming out can be closed. If after 5 minutes of the procedure the product
is still not primed, the interface display sends a failure message. Discon-
nect the power supply, load the product adding new water, wait 10 minutes
and repeat the procedure from the moment you put the plug in the socket.
Press “-“ to conrm that you do not want to start the priming procedure.
The product remains in alarm status
Operation
Once the electropump is primed, the system starts regular operation ac-
cording to the congured parameters: it starts automatically when the tap
is turned on, supplies water at the set pressure (SP), keeps the pressure
constant even when other taps are turned on, stops automatically after
time T2 once the switching off conditions are reached (T2 can be set by
the user, factory value 10 sec).
4 - THE KEYPAD AND THE DISPLAY
Figure 12: Aspect of the user interface
The user interface is composed of a keypad with 128x240 pixel LCD dis-
play and with POWER, COMM, ALARM warning leds as can be seen in
Figure 12.
The display shows the values and the statuses of the device, with indica-
tions on the functionality of the various parameters.
The functions of the keys are summed up in Table 1.
The MODE key allows you to move on to the next items in the same
menu. Holding it down for at least 1 sec allows you to skip to previous
menu item.
The SET key allows you to leave the current menu.
Decreases the current parameter (if it is an editable parameter).
Increases the current parameter (if it is an editable parameter).
Holding down the “+” key or the “-” key allows the automatic increase/
decrease of the parameter selected. After the “+” key or the “-” key has
been held down for 3 seconds, the automatic increase/decrease speed
increases.
Table 1: Key functions
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